Home / 10,728.60-16,089.44-10,028.93

Finding the Fourth Proportional to 10,728.60, 16,089.44 and 10,028.93

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Solution

The fourth proportional to 10,728.60, 16,089.44 and 10,028.93 is: 15,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.60 : 16,089.44 = 10,028.93 : x
  2. Step 2: Convert to fraction form
    10,728.60/16,089.44 = 10,028.93/x
  3. Step 3: Cross multiply
    10,728.60x = 16,089.44 × 10,028.93
  4. Step 4: Simplify right side
    10,728.60x = 161,359,932.80
  5. Step 5: Solve for x
    x = 161,359,932.80/10,728.60
  6. Step 6: Final answer
    x = 15,040.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.